UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a15BDqUsuA5t5mSh/rtqujEm/fDztE3Qih/fblbHGb4=' 
WHERE 
  key_id = 'c1567484b56103d0af1bcf41e5424e1b83a608202f87929d72e2a4d268a558f3' 
  AND (
    token = 'a15BDqUsuA5t5mSh/rtqujEm/fDztE3Qih/fblbHGb4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )