UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a38tthLnPDs+wp4Jb5tP0tAicB9xs0cDrnkRQgFgJVE=' 
WHERE 
  key_id = '4029df77ba9e158ef446324c820cb21b77368da5099e3dedb37731553bd15be9' 
  AND (
    token = 'a38tthLnPDs+wp4Jb5tP0tAicB9xs0cDrnkRQgFgJVE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )