UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W6rNCplTrXnSjkS97XwLiiBeCDo5r5sMCyRpVghucuA=' 
WHERE 
  key_id = '6ca9b6b911c3538f0b1ffbdcbaedf2a09b22dd36e6a2c0c0ba86064180e11b0a' 
  AND (
    token = 'W6rNCplTrXnSjkS97XwLiiBeCDo5r5sMCyRpVghucuA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )