UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PdpeluS3bU8cYBEsLULT6JWxgEYwh54J07ldfpqW6Ss=' 
WHERE 
  key_id = 'b83d4356b72722e7dfc4250a430e924ba58b311c62e13e7ec2aa7877a6683b3e' 
  AND (
    token = 'PdpeluS3bU8cYBEsLULT6JWxgEYwh54J07ldfpqW6Ss=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )