UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rB5oqUofmoaGsE5wdJtqr3eOfLvfwFEYOOPpetrUzaA=' 
WHERE 
  key_id = '15531444c944b94c1e57aece3152e21c4dc343e7a6dd25e2d8f0bbf36364f0eb' 
  AND (
    token = 'rB5oqUofmoaGsE5wdJtqr3eOfLvfwFEYOOPpetrUzaA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )