INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b3a5729d4e40b98419fc929e67282136b293b12e6735ce15cce14a5779b6ec9f', 
    '6ucxlvlgFZic6m76ZVR/31yy2VXVJRmAB5/DD0p5Ifw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)