UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rGn38YwTddB9NWSBmN3IWMLOdsVnb00prRpQX+cNe44=' 
WHERE 
  key_id = '6b762c8b14e5724d3c6380cefb42372b7cab796b5679cf905aa2033a3d7f208f' 
  AND (
    token = 'rGn38YwTddB9NWSBmN3IWMLOdsVnb00prRpQX+cNe44=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )