UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MGv57SKn27yuloVY3DOqQt+nfFsONhNE237g1adBkbc=' 
WHERE 
  key_id = '8784e0e05f14489c3e06338a940085141d0bc9d5520ae774518be133ec494c38' 
  AND (
    token = 'MGv57SKn27yuloVY3DOqQt+nfFsONhNE237g1adBkbc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )