UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e5cS+8tVSqfBa+3XCbWMDLZFX+pxMIXdLoQhq5GesL8=' 
WHERE 
  key_id = '6d5cbe0ac9797e9f977213940f414549cde25fe82c02ea227e57304b64dbea7b' 
  AND (
    token = 'e5cS+8tVSqfBa+3XCbWMDLZFX+pxMIXdLoQhq5GesL8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )