UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gkLRhY8zOftBIjYN/+dmSpG7CcqMV6jqb040+FXk020=' 
WHERE 
  key_id = 'c6b37ca78339cc15ec31f85aef85a53b11676c5cb117586de617204f39769f55' 
  AND (
    token = 'gkLRhY8zOftBIjYN/+dmSpG7CcqMV6jqb040+FXk020=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )