UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nk0uS4f+WcsV1ceD8fP4//qMHoZ7Hk0Cku+WrbWPQNQ=' 
WHERE 
  key_id = 'b34010d5ef6ad7929192cce14035b17f741417ffe37d9d84a9fab856457a1548' 
  AND (
    token = 'Nk0uS4f+WcsV1ceD8fP4//qMHoZ7Hk0Cku+WrbWPQNQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )