UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'guar3SHH8nFOIFnOmtCmFCFC/3BbS9ik2ZKfyLbsLJs=' 
WHERE 
  key_id = 'aad44f8e20310d1e4d714460b88d9125440e323f8b6a6fbf7ce776672f6ff0dd' 
  AND (
    token = 'guar3SHH8nFOIFnOmtCmFCFC/3BbS9ik2ZKfyLbsLJs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )