INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '45c2d73afaf60a182196dad17a3c2add66c764c51cb7a668b197b28fc1377154', 
    '+emn1MTxFps2uk3SypqHJCqwVjsatHzxtTn2CI7mcyQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)