You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'AND start_time < 1608426600 AND end_time > 1607907600 ORDER BY start_time' at line 4

Zeitraum	Montag 14 Dez	Dienstag 15 Dez	Mittwoch 16 Dez	Donnerstag 17 Dez	Freitag 18 Dez
M1
M2
M3
M4
11H20 - 12H00
12H00 - 13H00
S1
S2
S3
16H - 19H