UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Me2SannIRUhJKQMdxCr8uAXitn6MRiLPFcDr26JUEeE=' 
WHERE 
  key_id = '551937e5096ac939edc59b6a47ed31f2a87321e72dfcaf0d3664a572cdbee0e9' 
  AND (
    token = 'Me2SannIRUhJKQMdxCr8uAXitn6MRiLPFcDr26JUEeE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )