INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ea321c17738f445d97f2ddfab618e7ac1aca532d28e3a6184190b1cbf384762f', 
    'RNr920iBHWYhMbtCeW9dUvoBqIKsQmxlWSJrRXihLek=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00066

Result

int(1)