UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B9WQUkca+ORB1dImbILx9IqMMUWHo+S52eiQqt2DrK8=' 
WHERE 
  key_id = '503c2cf3ebf13c4e087aefbccabe93d30fe02087c207eff6a286672b10a61aa6' 
  AND (
    token = 'B9WQUkca+ORB1dImbILx9IqMMUWHo+S52eiQqt2DrK8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )