UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tR9n79X3sbC/anBXouEfu8lIuheS11QrJMTblmrQuQE=' 
WHERE 
  key_id = '940fad42a1bfbe1176065698e8bb3b0ce564d94ca91d258e760b2efda31a34a3' 
  AND (
    token = 'tR9n79X3sbC/anBXouEfu8lIuheS11QrJMTblmrQuQE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )