UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f4kM7UTWhWbUVopjot8oPNPV5T16okNz3I/lvuaw2dc=' 
WHERE 
  key_id = '976b8d3a6b70b511627b71c518daad1ab0f2f16d3cca47df6890cf6b3c20ec70' 
  AND (
    token = 'f4kM7UTWhWbUVopjot8oPNPV5T16okNz3I/lvuaw2dc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )