INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b9c3b805d4b79c03e521f68a66b35bd5525a7b4469014cc966daebfcfcba7bf', 
    'xyJyzM21s8WN9FhVWPPVp+nNsNdC23ycneCfiwnHaIQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)